Analog Devices Inc. DC2558A Demonstration Board helps designers evaluate the features and performance of the LTC4091 36V Battery Charger and Power Backup Manager. The DC2558A Demonstration Board includes Demonstration Circuit 2558A, which is a high-voltage switching buck regulator, Li-Ion cell charger, and power backup manager. Based on the LTC4091 Battery Charger, Analog Devices Demonstration Circuit 2558A functions as a 2A buck regulator with a 7.5V-36V (60V absolute max.) input range and output voltage tracking cell voltage. It also functions as a full-featured cell charger with a selectable maximum charge voltage and a power path manager for the cell.